Ratio of O2 and N2 in the air is 1:4. Find out the ratio of their solubilities in terms of mole fractions of O2 and N2 dissolved in water at atmospheric pressure and room temperature.KHO2=3.30×107 torr KHN2=6.60×107 torr

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1 : 2

2 : 1

1 : 1

None of these

answer is A.

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Detailed Solution

pO2=15×1=0.2barpN2=45×1=0.8barp=KHx( from Henry's law )xO2xN2=pO2KHO2×K(H)N2pN2=0.2×6.60×1070.8×3.30×107=12 xO2:xN2=1:2

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